On the other hand,a scientist,George Hambley predicts that any warming will be mild with few bad environmental__7__.He__8__ that more carbon dioxide will encourage a greater__9__of animals-all of which will make life for human beings better.
However,greenhouse gases continue to__10__ in the atmosphere and the climate is going to keep on warming.
答案 1.doubt 2.phenomenon 3.quantities of 4.fuels
5.go up 6.catastrophe 7.consequences 8.states 9.range 10.build up
Ⅴ.单项填空
1.The old engineer's eyes still shone bright in the wrinkled brown face and his step as he came across the room was________,though slow.
A.shaky
B.heavy
C.casual
D.steady
答案 D [考查形容词词义辨析。shaky摇动的;heavy重的;casual随便的;漫不经心的;steady平稳的,稳定的。根据句意可知选择D项。]
2.—Why does the lake smell terrible?
—Because large quantities of water________.
A.have polluted
B.is being polluted
C.has been polluted
D.have been polluted
答案 D [large quantities of+n.作主语时,其谓语动词的单复数由quantity的形式来决定,故排除B、C两项。由句意可知此处表示“水被污染”,故用被动形式。]
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